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540b2efdf7
checkpatch cuts from the diff between the outputs of pre-patch and post-patch runs of `checkpatch.pl`, but fixed-length greps sometimes don't cut correctly. Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
108 lines
2.8 KiB
Bash
Executable File
108 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# Check a patch for style errors.
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usage="./checkpatch.sh <patch> <tree>"
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patch=$1
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tree=$2
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checkpatch="$tree/tools/checkpatch.pl --no-tree -f"
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ignore="ldpd\|babeld"
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cwd=${PWD##*/}
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dirty=0
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stat=0
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tmp1=/tmp/f1-$$
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tmp2=/tmp/f2-$$
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if [[ -z "$1" || -z "$2" ]]; then
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echo "$usage"
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exit 0
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fi
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# remove temp directories
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rm -rf ${tmp1} ${tmp2}
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# save working tree
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if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
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echo "Detected dirty tree, caching state..."
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dirty=1
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git -C $tree config gc.auto 0;
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td=$(git -C $tree status -z | grep -z "^[ARM]D" | cut -z -d' ' -f2- | tr '\0' '\n')
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INDEX=$(git -C $tree write-tree)
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git -C $tree add -f .
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WORKTREE=$(git -C $tree write-tree)
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echo "Saved index to $INDEX"
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echo "Saved working tree to $WORKTREE"
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fi
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# double check
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if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
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echo "[!] git working directory must be clean."
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exit 1
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fi
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git -C $tree reset --hard
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git -C $tree apply < $patch
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mkdir -p ${tmp1} ${tmp2}
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mod=$(git -C $tree ls-files -m | grep ".*\.[ch]" | grep -v $ignore)
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mod+=" $(git -C $tree ls-files --others --exclude-standard | grep '.*\.[ch]' | grep -v $ignore)"
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echo $mod
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if [ -z "$mod" ]; then
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echo "There doesn't seem to be any changes."
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else
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echo "Copying source to temp directory..."
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for file in $mod; do
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echo "$tree/$file --> ${tmp1}/$file"
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cp $tree/$file ${tmp1}/
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done
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git -C $tree reset --hard
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git -C $tree clean -fd
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for file in $mod; do
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if [ -f $tree/$file ]; then
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echo "$tree/$file --> ${tmp2}/$file"
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cp $tree/$file ${tmp2}/
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fi
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done
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echo "Running style checks..."
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for file in ${tmp1}/*; do
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echo "$checkpatch $file > $file _cp"
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$checkpatch $file > "$file"_cp 2> /dev/null
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done
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for file in ${tmp2}/*; do
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echo "$checkpatch $file > $file _cp"
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$checkpatch $file > "$file"_cp 2> /dev/null
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done
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echo "Done."
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for file in ${tmp1}/*_cp; do
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if [ -a ${tmp2}/$(basename $file) ]; then
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result=$(diff $file ${tmp2}/$(basename $file) | awk '/< ERROR|< WARNING/,/^< $|^< #|^<[^ ]/ { print $0; ++n }; END { exit n }')
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else
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result=$(cat $file | awk '/ERROR|WARNING/,/^$/ { print $0; ++n }; END { exit n }')
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fi
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ni="$?"
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if [ "$ni" -ne "0" ]; then
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echo "Report for $(basename $file _cp) | $ni issues" 1>&2
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echo "===============================================" 1>&2
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echo "$result" 1>&2
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if echo $result | grep -q "ERROR"; then
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stat=2
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elif [ "$stat" -eq "0" ]; then
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stat=1
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fi
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fi
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done
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fi
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# restore working tree
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if [ $dirty -eq 1 ]; then
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git -C $tree read-tree $WORKTREE;
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git -C $tree checkout-index -af;
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git -C $tree read-tree $INDEX;
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if [ -n "$td" ]; then
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rm $td
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fi
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git -C $tree config --unset gc.auto;
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fi
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# remove temp directories
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rm -rf ${tmp1} ${tmp2}
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exit $stat
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